99 lines
2.8 KiB
C++
99 lines
2.8 KiB
C++
#include "JsonValue.h"
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#include "JsonParse.h"
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#include "JsonError.h"
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#include "JsonSerializer.h"
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#include <map>
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#include <vector>
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#include <iostream>
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#include <fstream>
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#include <sstream>
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using namespace std;
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int main(){
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JsonValue root(JsonValue::Type::Map);
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JsonValue update(JsonValue::Type::List);
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for (int i = 0; i < 10; i++){
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update.push_back(JsonValue(static_cast<double>(i)));
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}
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root["Project"] = "JsonParser";
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root["Version"] = 1.0;
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root["Author"] = "E2hang";
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root["Update"] = update;
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//JsonValue features(list);
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JsonSerializer serializer;
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string result = serializer.serialize(root);
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string resultIndent = serializer.serialize(root, 4);
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cout << result << endl;
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cout << resultIndent << endl;
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string path = "output.json";
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ofstream outFile(path);
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if(outFile.is_open()){
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outFile << result;
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outFile.close();
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cout << "Save to File: " << path << endl;
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} else {
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cerr << "Error" << endl;
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return 1;
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}
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string jsonContent;
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ifstream inFile("output.json");
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if (inFile.is_open()) {
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stringstream ss;
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ss << inFile.rdbuf(); // 读取整个文件内容到内存
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jsonContent = ss.str();
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inFile.close();
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} else {
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cerr << "无法读取文件！" << endl;
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return 1;
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}
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// --- 3. 让 JSONPARSER 工作 ---
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try {
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JsonParser parser(jsonContent);
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// 将字符串解析回 JsonValue 对象
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JsonValue root = parser.parse();
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// --- 4. 验证加载是否成功 ---
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cout << "解析成功！正在读取数据..." << endl;
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cout << "Project: " << root["Project"].asString() << endl;
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cout << "Version: " << root["Version"].asDouble() << endl;
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// 遍历解析出来的数组
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cout << "Update list: ";
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for (size_t i = 0; i < root["Update"].asList().size(); ++i) {
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cout << root["Update"][i].asDouble() << " ";
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}
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cout << endl;
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} catch (const std::exception& e) {
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cerr << "解析失败: " << e.what() << endl;
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}
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vector<string> errorCases = {
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"{\"a\": 1,}", // 尾随逗号
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"{name: \"test\"}", // Key 无引号
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"{\"val\": 0123}", // 前导零
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"\"Unclosed string", // 字符串未闭合
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"{\"a\": [1, 2}" // 数组未闭合
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};
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for (const auto& code : errorCases) {
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JsonParser parser(code);
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try {
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parser.parse();
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cout << "[FAIL] 未能识别错误 JSON: " << code << endl;
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} catch (const JsonError& e) {
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cout << "[OK] 成功捕捉错误: " << e.message() << " -> 原文: " << code << endl;
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cout << "Line = " << e.line() << " Col = " << e.column() << endl;
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}
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}
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return 0;
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}
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